41969005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 60480000

約数和(自身を除く): 18510995

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 1999, 4199, 9995, 20995, 25987, 33983, 37981, 129935, 169915, 189905, 441779, 493753, 645677, 2208895, 2468765, 3228385, 8393801, 41969005]

約数ペア:

[(1, 41969005), (5, 8393801), (13, 3228385), (17, 2468765), (19, 2208895), (65, 645677), (85, 493753), (95, 441779), (221, 189905), (247, 169915), (323, 129935), (1105, 37981), (1235, 33983), (1615, 25987), (1999, 20995), (4199, 9995)]